Kubernetes
Cloud Native Computing Foundation · Containers & virtualization
Open-source system for scheduling, scaling and operating containerized workloads across a cluster of machines
Apache-2.0Open sourceFreeSelf-hostedNov 2, 2026
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Prometheus
Prometheus Authors / Cloud Native Computing Foundation · Monitoring & observability
Pull-based metrics monitoring system and time-series database with the PromQL query language, service discovery and the Alertmanager component
Apache-2.0Open sourceFreeSelf-hostedBroken
SOPS
SOPS project (CNCF) · Secrets management
Command-line tool that encrypts the values of YAML, JSON, ENV and INI files with age, PGP or cloud KMS keys so secrets can be committed to git
MPL-2.0Open sourceFreeLocalNov 2, 2026
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